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-rw-r--r--tests/ui/macros/doc-comment.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/macros/doc-comment.rs b/tests/ui/macros/doc-comment.rs
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index 000000000..9de39e9b5
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+++ b/tests/ui/macros/doc-comment.rs
@@ -0,0 +1,25 @@
+// check-pass
+// Tests that we properly handle a nested macro expansion
+// involving a `#[doc]` attribute
+#![deny(missing_docs)]
+//! Crate docs
+
+macro_rules! doc_comment {
+ ($x:expr, $($tt:tt)*) => {
+ #[doc = $x]
+ $($tt)*
+ }
+}
+
+macro_rules! make_comment {
+ () => {
+ doc_comment!("Function docs",
+ pub fn bar() {}
+ );
+ }
+}
+
+
+make_comment!();
+
+fn main() {}